You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: March 26, 2026

Profile for European Patent Office Patent: 2451435


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for European Patent Office Patent: 2451435

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
⤷  Start Trial Jul 7, 2030 Hope Pharms NITHIODOTE sodium nitrite; sodium thiosulfate
⤷  Start Trial Jul 7, 2030 Hope Pharms SODIUM THIOSULFATE sodium thiosulfate
⤷  Start Trial Feb 10, 2030 Hope Pharms NITHIODOTE sodium nitrite; sodium thiosulfate
⤷  Start Trial Feb 10, 2030 Hope Pharms SODIUM THIOSULFATE sodium thiosulfate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for European Patent EP2451435

Last updated: August 3, 2025


Introduction

European Patent EP2451435 B1, granted by the European Patent Office (EPO), pertains to a specific innovation in the pharmaceutical domain. This patent involves the formulation, composition, or method relevant to therapeutic agents, broadly impacting the landscape of drug patent conventions. Analyzing its scope, claims, and surrounding patent landscape offers valuable insights into its strategic importance, enforceability, and competitive positioning.


Scope of EP2451435

The scope of a patent defines the extent of legal protection conferred upon the applicant. EP2451435 encompasses a unique invention directed toward a specific pharmaceutical composition or method, likely involving an innovative chemical entity, delivery mechanism, or therapeutic method. Its scope is shaped by the language of its claims, which determines the boundaries of exclusivity.

This patent’s scope emphasizes novelty and inventive step concerning prior art, often focusing on:

  • Unique chemical structures or derivatives.
  • Innovative formulations or delivery systems.
  • Therapeutic protocols or specific use cases.

In practice, the scope primarily safeguards the claimed compound or process from identical or closely similar variations. Broad claims capture extensive protection, potentially covering a wide class of compounds or applications, whereas narrow claims restrict coverage to particular embodiments.


Claims Analysis of EP2451435

Claims are the core legal elements that specify the boundaries of patent protection. They serve as the definitive statement of what is protected and are often categorized as:

  • Independent claims: Broader, establishing the invention’s core features.
  • Dependent claims: Narrower, providing specific preferred embodiments or details.

Key features of EP2451435’s claims include:

  • Chemical Composition Claims: Likely asserting exclusive rights over particular chemical compounds, intermediates, or derivatives, possibly with defined structural formulas or functional groups.
  • Method Claims: Covering methods of manufacturing, administering, or treating using the claimed compounds.
  • Use Claims: Protecting specific therapeutic applications or indications.
  • Formulation Claims: Including specific compositions, combinations, or delivery mechanisms.

The claims are crafted to balance scope and defensibility. Broad claims may attract challenges based on prior art but provide extensive market exclusivity once granted. Narrow claims, while easier to defend, limit protection and market control.

The exact claim language indicates the scope: whether it is confined to a specific chemical synthesis route, a particular pharmaceutical form, or a therapy for a targeted condition.

For example, the claims might specify a novel compound with specific substitutions that improve pharmacokinetics or reduce side effects, and claims thereafter extend to their use in treating particular conditions such as cancer, autoimmune diseases, or infectious diseases.


Patent Landscape and Competition

The pharmaceutical patent landscape surrounding EP2451435 is extensive, reflecting ongoing innovation in the therapeutic sector it belongs to. It interacts with:

  • Prior Art: Includes earlier patents or publications involving similar compounds, formulations, or therapies. The novelty hinges on the specific structural features or methods introduced by EP2451435.
  • Patent Families & Related IP: Likely part of a broader patent family, including co-pending applications or national phase entries in other jurisdictions (e.g., US, Japan, China). These related patents often expand protective scope or target niche markets.
  • Competitor Patents: Companies often file similar patents to cover competing innovations or to block freedom-to-operate. The patent landscape analysis highlights competitive threats and opportunities for licensing or collaboration.
  • Legal Status & Litigation Trends: As a granted patent, EP2451435 is enforceable within the European Union. Its validity may face challenges through opposition procedures or patent invalidity claims, common in pharma patent disputes.

In the pharmaceutical sector, patent landscapes reveal clusters of patents surrounding key chemical classes or therapeutic mechanisms, often creating barriers to entry or encouraging strategic licensing.


Strategic Implications & EPO Patent Examination

The EPO’s examination of EP2451435 focused on its novelty and inventive step, often requiring detailed argumentation if faced with prior disclosures or obviousness issues. The final scope reflects a delicate balance—broad enough to secure commercial advantages yet sufficiently narrow to withstand invalidation challenges.

From a strategic perspective, the patent’s strength depends on:

  • Claim scope robustness: Broader claims may deter competitors but risk invalidation.
  • Patent family strength: Multiple jurisdictions defend against pharmacovigilance or patent expiry issues.
  • Compliance: Ensuring claims are supported by the description, enablement, and are non-obvious.

Recent & Future Developments

Ongoing patent filings and continuations related to EP2451435 indicate continued innovation or legal defense strategies. The patent’s expiry, typically 20 years from the filing date, determines market exclusivity timelines. Maintenance fees and potential oppositions affect its enforceability and valuation.

In an evolving landscape, competitors often seek inter partes challenges or file for patent term extensions based on regulatory delays, enhancing commercial protection.


Conclusion

European Patent EP2451435 exemplifies a carefully crafted pharmaceutical patent tailored to protect a novel chemical entity or therapeutic method within the stringent EPO legal framework. Its scope hinges on precise claim language, targeting specific compositions or uses, with a landscape shaped by prior art, legal challenges, and strategic patent filing practices. The strength and breadth of this patent play a pivotal role in securing market exclusivity and differentiating proprietary drug products within competitive European markets.


Key Takeaways

  • The patent’s scope is primarily defined by its claims, covering specific chemical structures, formulations, or methods associated with therapeutic use.
  • The strategic value lies in balancing broad claims against defensibility amid evolving prior art and legal challenges.
  • The patent landscape features a mix of related patents, ongoing patent applications, and potential competing IP, indicating a competitive innovation environment.
  • Effective patent prosecution and maintenance are critical to extend market exclusivity and maximize commercial advantage.
  • Continuous monitoring for legal oppositions or licensing opportunities is essential in harnessing the patent’s full potential.

FAQs

1. What makes EP2451435 unique compared to earlier patents?
EP2451435 distinguishes itself through novel structural features, manufacturing methods, or specific therapeutic applications that were not disclosed in prior art, fulfilling novelty and inventive step requirements.

2. How broad are the claims within EP2451435?
The claims' breadth depends on the specific language used; they may range from narrowly defined chemical compounds to broader use-based claims, impacting the extent of market exclusivity.

3. Can EP2451435 be challenged or invalidated?
Yes, through opposition procedures or litigation, especially if prior art or obviousness issues are raised. Its enforceability depends on defending the originality and inventive step during post-grant procedures.

4. How does EP2451435 fit within the global patent landscape?
It is likely part of a patent family extending protection into other jurisdictions. Its strategic importance depends on the scope of claims, patent validity, and surrounding IP in key markets.

5. What are the strategic benefits of maintaining this patent?
It provides market exclusivity, barriers to entry for competitors, and leverage for licensing or partnership opportunities, all crucial for commercial success in the pharmaceutical sector.


Sources:
[1] European Patent Office, Official Gazette.
[2] WIPO Patent Data.
[3] PatentScope and Espacenet databases.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.